首页> 外文会议>Electrical Insulation Conference and Electrical Manufacturing Coil Winding Technology Conference, 2003. Proceedings >The evaluation of thermal aging for application of hybrid insulation system in oil filled pole mounted transformer
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The evaluation of thermal aging for application of hybrid insulation system in oil filled pole mounted transformer

机译:混合绝缘系统在油浸式杆式变压器中应用的热老化评估

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Liquid-immersed pole transformers have utilized an insulation system consisting of natural cellulose-based materials and mineral oil for many years. If the transformers are installed with the abruptly changing load over limitation, its insulation materials are apt to unexpected aging with high temperature. Therefore we have been conscious of developing a transformer that is more thermally stable then conventional types. To measure temperature distribution in the winding of conventional and newly designed transformers, temperature sensors were installed for direct reading of oil and conductor temperatures at transformers. And we conducted accelerating aging test for these transformers. The measuring data had made use of the design to hybrid insulation system. Also we could find the possibility of this insulation system to apply in pole mounted transformers.
机译:液浸式磁极变压器已经使用了由天然纤维素基材料和矿物油组成的绝缘系统多年。如果在负载突然超过极限的情况下安装了变压器,则其绝缘材料易于遭受高温的意外老化。因此,我们意识到开发一种比传统类型更热稳定的变压器。为了测量传统和新设计的变压器绕组中的温度分布,安装了温度传感器以直接读取变压器上的油和导体温度。并且我们对这些变压器进行了加速老化测试。测量数据已将设计用于混合绝缘系统。我们也可以发现这种绝缘系统适用于立式变压器的可能性。

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